FDNU.L vs. FKU.L

Last updated Jun 5, 2026

FDNU.L (First Trust Dow Jones Internet UCITS ETF Class A USD) and FKU.L (First Trust United Kingdom AlphaDEX UCITS ETF Acc) are both exchange-traded funds - FDNU.L is a Technology Equities fund tracking the MSCI World/Information Tech NR USD, while FKU.L is a Europe Equities fund tracking the FTSE AllSh TR GBP. Both are passively managed. Over the past 5 years, FDNU.L returned 4.29%/yr vs 7.58%/yr for FKU.L. At a 0.46 correlation, their price movements are largely independent. FDNU.L charges 0.55%/yr vs 0.65%/yr for FKU.L.

Performance

FDNU.L vs. FKU.L - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in First Trust Dow Jones Internet UCITS ETF Class A USD (FDNU.L) and First Trust United Kingdom AlphaDEX UCITS ETF Acc (FKU.L). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

FDNU.L is traded in USD, while FKU.L is traded in GBp. To make them comparable, the FKU.L values have been converted to USD using the latest available exchange rates.

Returns By Period

In the year-to-date period, FDNU.L achieves a 4.34% return, which is significantly lower than FKU.L's 6.36% return.

FDNU.L

• 1D: 0.72%
• 1M: 5.40%
• YTD: 4.34%
• 6M: 4.66%
• 1Y: 10.19%
• 3Y*: 20.73%
• 5Y*: 4.29%
• 10Y*: —

FKU.L

• 1D: 0.89%
• 1M: 3.07%
• YTD: 6.36%
• 6M: 11.90%
• 1Y: 21.35%
• 3Y*: 21.13%
• 5Y*: 7.58%
• 10Y*: 7.20%

*Multi-year figures are annualized to reflect compound growth (CAGR)

FDNU.L vs. FKU.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FDNU.L First Trust Dow Jones Internet UCITS ETF Class A USD	4.34%	9.74%	30.52%	54.50%	-46.64%	7.05%	53.99%	17.77%	-18.49%
FKU.L First Trust United Kingdom AlphaDEX UCITS ETF Acc	6.36%	37.27%	8.60%	19.79%	-22.99%	19.32%	-4.80%	31.74%	-19.61%

Correlation

The correlation between FDNU.L and FKU.L is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.39
Correlation (3Y) Calculated over the trailing 3-year period	0.38
Correlation (5Y) Calculated over the trailing 5-year period	0.45
Correlation (All Time) Calculated using the full available price history since Jun 22, 2018	0.46

FDNU.L vs. FKU.L - Sectors Allocation Comparison

Sectors	FDNU.L	FKU.L
Technology	37.7%	-
Communication Services	29.8%	7.2%
Consumer Cyclical	27.7%	13.2%
Financial Services	2.4%	27.7%
Industrials	1.4%	11.4%
Healthcare	1.1%	5.3%
Basic Materials	-	17.8%
Consumer Defensive	-	6.7%
Energy	-	4.0%
Real Estate	-	4.0%
Utilities	-	2.7%

Return for Risk

FDNU.L vs. FKU.L — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

FDNU.L

FDNU.L Risk / Return Rank: 17
FDNU.L Sharpe Ratio Rank: 18
FDNU.L Sortino Ratio Rank: 17
FDNU.L Omega Ratio Rank: 18
FDNU.L Calmar Ratio Rank: 15
FDNU.L Martin Ratio Rank: 15

FKU.L

FKU.L Risk / Return Rank: 46
FKU.L Sharpe Ratio Rank: 49
FKU.L Sortino Ratio Rank: 48
FKU.L Omega Ratio Rank: 49
FKU.L Calmar Ratio Rank: 39
FKU.L Martin Ratio Rank: 42

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

FDNU.L vs. FKU.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for First Trust Dow Jones Internet UCITS ETF Class A USD (FDNU.L) and First Trust United Kingdom AlphaDEX UCITS ETF Acc (FKU.L). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	FDNU.L	FKU.L	Difference
Sharpe ratio: Return per unit of total volatility	0.52	1.31	-0.79
Sortino ratio: Return per unit of downside risk	0.84	1.88	-1.04
Omega ratio: Gain probability vs. loss probability	1.10	1.24	-0.13
Calmar ratio: Return relative to maximum drawdown	0.49	1.59	-1.10
Martin ratio: Return relative to average drawdown	1.23	5.32	-4.09
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FDNU.L vs. FKU.L - Sharpe Ratio Comparison

The current FDNU.L Sharpe Ratio is 0.52, which is lower than the FKU.L Sharpe Ratio of 1.31. The chart below compares the historical Sharpe Ratios of FDNU.L and FKU.L, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	FDNU.L	FKU.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.52	1.31	-0.79
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.16	0.41	-0.24
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.34	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.34	0.36	-0.03

Drawdowns

FDNU.L vs. FKU.L - Drawdown Comparison

The maximum FDNU.L drawdown since its inception was -54.01%, roughly equal to the maximum FKU.L drawdown of -52.44%. Use the drawdown chart below to compare losses from any high point for FDNU.L and FKU.L.

Drawdown Indicators

	FDNU.L	FKU.L	Difference
Max Drawdown Largest peak-to-trough decline	-54.01%	-52.44%	-1.57%
Max Drawdown (1Y) Largest decline over 1 year	-20.57%	-13.37%	-7.20%
Max Drawdown (3Y) Largest decline over 3 years	-25.76%	-14.25%	-11.51%
Max Drawdown (5Y) Largest decline over 5 years	-54.01%	-40.95%	-13.06%
Max Drawdown (10Y) Largest decline over 10 years	—	-52.44%	—
Current Drawdown Current decline from peak	-2.24%	-4.30%	+2.06%
Average Drawdown Average peak-to-trough decline	-16.23%	-10.98%	-5.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.27%	4.01%	+4.26%

Volatility

FDNU.L vs. FKU.L - Volatility Comparison

First Trust Dow Jones Internet UCITS ETF Class A USD (FDNU.L) and First Trust United Kingdom AlphaDEX UCITS ETF Acc (FKU.L) have volatilities of 5.89% and 6.08%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FDNU.L	FKU.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.89%	6.08%	-0.19%
Volatility (6M) Calculated over the trailing 6-month period	15.23%	13.43%	+1.80%
Volatility (1Y) Calculated over the trailing 1-year period	19.49%	16.22%	+3.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.10%	20.69%	+5.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.91%	23.14%	+2.77%

FDNU.L vs. FKU.L - Expense Ratio Comparison

FDNU.L has a 0.55% expense ratio, which is lower than FKU.L's 0.65% expense ratio.

Dividends

FDNU.L vs. FKU.L - Dividend Comparison

Neither FDNU.L nor FKU.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both FDNU.L and FKU.L in my portfolio?

FDNU.L and FKU.L have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, FDNU.L or FKU.L?

On fees, FDNU.L is cheaper at 0.55% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, FDNU.L or FKU.L?

FDNU.L is cheaper with a 0.55% expense ratio, compared with 0.65% for FKU.L.

What is the main difference between FDNU.L and FKU.L?

FDNU.L is categorized as Technology Equities, while FKU.L is Europe Equities. FDNU.L tracks MSCI World/Information Tech NR USD, while FKU.L tracks FTSE AllSh TR GBP. Their fees differ too: 0.55% for FDNU.L and 0.65% for FKU.L.